Pls help I’m stuck on this one

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

What are the sotions to the quadratic equation 9x^2=4

Suppose i flip two identical coins. what is the probability that i get one head and one tail?